package chapter02;

public class Example30 {
        public static void main(String[] args) {
            int[][] arr = new int[3][];
            arr [0] = new int[]{11, 12};
            arr [1] = new int[]{21, 22, 23};
            arr [2] = new int[]{31, 32, 33, 34};
            int sum = 0;
            for (int i = 0; i < arr.length; i++){
                int groupSum = 0;
                for (int j = 0; j < arr[i].length; j++){
                    groupSum = groupSum + arr[i][j];
                }
                sum = sum + groupSum;
                System.out.println("第"+ (i+1) + "小组销售额为：" +groupSum+ "万元.");
            }
            System.out.println("总销售额为："+ sum+ "万元.");
        }
    }
